public SKFileWStream(string path)
: base(SkiaApi.sk_filewstream_new(StringUtilities.GetEncodedText(path, SKEncoding.Utf8)), true)
{
if (Handle == IntPtr.Zero)
{
throw new InvalidOperationException("Unable to create a new SKFileWStream instance.");
}
}
private static IntPtr CreateNew(string path)
{
var bytes = StringUtilities.GetEncodedText(path, SKEncoding.Utf8);
fixed(byte *p = bytes)
{
return(SkiaApi.sk_filewstream_new(p));
}
}
// Draw*Annotation
public void DrawAnnotation(SKRect rect, string key, SKData value)
{
var bytes = StringUtilities.GetEncodedText(key, SKTextEncoding.Utf8, true);
fixed(byte *b = bytes)
{
SkiaApi.sk_canvas_draw_annotation(base.Handle, &rect, b, value == null ? IntPtr.Zero : value.Handle);
}
}
public long BreakText(string text, float maxWidth, out float measuredWidth)
{
if (text == null)
{
throw new ArgumentNullException(nameof(text));
}
var bytes = StringUtilities.GetEncodedText(text, TextEncoding);
return((long)SkiaApi.sk_paint_break_text(Handle, bytes, (IntPtr)bytes.Length, maxWidth, out measuredWidth));
}
public SKPath GetTextPath(string text, SKPoint[] points)
{
if (text == null)
{
throw new ArgumentNullException(nameof(text));
}
var bytes = StringUtilities.GetEncodedText(text, TextEncoding);
return(GetObject <SKPath> (SkiaApi.sk_paint_get_pos_text_path(Handle, bytes, (IntPtr)bytes.Length, points)));
}
public SKPath GetTextPath(string text, float x, float y)
{
if (text == null)
{
throw new ArgumentNullException(nameof(text));
}
var bytes = StringUtilities.GetEncodedText(text, TextEncoding);
return(GetTextPath(bytes, x, y));
}
public static SKData Create(string filename)
{
if (string.IsNullOrEmpty(filename))
{
throw new ArgumentException("The filename cannot be empty.", nameof(filename));
}
var utf8path = StringUtilities.GetEncodedText(filename, SKEncoding.Utf8);
return(GetObject <SKData> (SkiaApi.sk_data_new_from_file(utf8path)));
}
public int CountGlyphs(string str, SKEncoding encoding)
{
if (str == null)
{
throw new ArgumentNullException(nameof(str));
}
var bytes = StringUtilities.GetEncodedText(str, encoding);
return(CountGlyphs(bytes, encoding));
}
public float MeasureText(string text, ref SKRect bounds)
{
if (text == null)
{
throw new ArgumentNullException(nameof(text));
}
var bytes = StringUtilities.GetEncodedText(text, TextEncoding);
return(MeasureText(bytes, ref bounds));
}
public int GetGlyphs(string text, SKEncoding encoding, out ushort [] glyphs)
{
if (text == null)
{
throw new ArgumentNullException(nameof(text));
}
var bytes = StringUtilities.GetEncodedText(text, encoding);
return(GetGlyphs(bytes, encoding, out glyphs));
}
public SKTypeface CreateTypeface(string path, int index = 0)
{
if (path == null)
{
throw new ArgumentNullException(nameof(path));
}
var utf8path = StringUtilities.GetEncodedText(path, SKEncoding.Utf8);
return(GetObject <SKTypeface> (SkiaApi.sk_fontmgr_create_from_file(Handle, utf8path, index)));
}
public static SKTypeface FromFile(string path, int index = 0)
{
if (path == null)
{
throw new ArgumentNullException(nameof(path));
}
var utf8path = StringUtilities.GetEncodedText(path, SKTextEncoding.Utf8, true);
fixed(byte *u = utf8path)
{
return(GetObject(SkiaApi.sk_typeface_create_from_file(u, index)));
}
}
public void DrawText(string text, float x, float y, SKPaint paint)
{
if (text == null)
{
throw new ArgumentNullException(nameof(text));
}
if (paint == null)
{
throw new ArgumentNullException(nameof(paint));
}
var bytes = StringUtilities.GetEncodedText(text, paint.TextEncoding);
DrawText(bytes, x, y, paint);
}
public void DrawTextOnPath(string text, SKPath path, float hOffset, float vOffset, SKPaint paint)
{
if (text == null)
{
throw new ArgumentNullException(nameof(text));
}
if (paint == null)
{
throw new ArgumentNullException(nameof(paint));
}
if (paint == null)
{
throw new ArgumentNullException(nameof(paint));
}
var bytes = StringUtilities.GetEncodedText(text, paint.TextEncoding);
DrawTextOnPath(bytes, path, hOffset, vOffset, paint);
}
public void DrawPositionedText(string text, SKPoint [] points, SKPaint paint)
{
if (text == null)
{
throw new ArgumentNullException(nameof(text));
}
if (paint == null)
{
throw new ArgumentNullException(nameof(paint));
}
if (points == null)
{
throw new ArgumentNullException(nameof(points));
}
var bytes = StringUtilities.GetEncodedText(text, paint.TextEncoding);
DrawPositionedText(bytes, points, paint);
}
public long BreakText(string text, float maxWidth, out float measuredWidth, out string measuredText)
{
if (text == null)
{
throw new ArgumentNullException(nameof(text));
}
var bytes = StringUtilities.GetEncodedText(text, TextEncoding);
var byteLength = (int)SkiaApi.sk_paint_break_text(Handle, bytes, (IntPtr)bytes.Length, maxWidth, out measuredWidth);
if (byteLength == 0)
{
measuredText = String.Empty;
return(0);
}
if (byteLength == bytes.Length)
{
measuredText = text;
return(text.Length);
}
measuredText = StringUtilities.GetString(bytes, 0, byteLength, TextEncoding);
return(measuredText.Length);
}
public int CountGlyphs(ReadOnlySpan <char> str)
{
var bytes = StringUtilities.GetEncodedText(str, SKTextEncoding.Utf16);
return(CountGlyphs(bytes, SKTextEncoding.Utf16));
}
public void DrawAnnotation(SKRect rect, string key, SKData value)
{
SkiaApi.sk_canvas_draw_annotation(Handle, ref rect, StringUtilities.GetEncodedText(key, SKTextEncoding.Utf8), value == null ? IntPtr.Zero : value.Handle);
}
public void AddPositionedRun(SKPaint font, ushort[] glyphs, SKPoint[] positions, string text, uint[] clusters)
{
var utf8Text = StringUtilities.GetEncodedText(text, SKEncoding.Utf8);
AddPositionedRunInternal(font, glyphs, positions, utf8Text, clusters, null, true);
}
public void SetText(string text)
{
var utf8Text = StringUtilities.GetEncodedText(text, SKEncoding.Utf8);
SetText(utf8Text);
}
public void AddRun(SKPaint font, float x, float y, ushort[] glyphs, string text, uint[] clusters)
{
var utf8Text = StringUtilities.GetEncodedText(text, SKEncoding.Utf8);
AddRunInternal(font, x, y, glyphs, utf8Text, clusters, null, true);
}
public void AddRun(SKPaint font, float x, float y, ushort[] glyphs, string text, uint[] clusters, SKRect bounds)
{
var utf8Text = StringUtilities.GetEncodedText(text, SKTextEncoding.Utf8);
AddRun(font, x, y, glyphs, utf8Text, clusters, (SKRect?)bounds);
}
public void AddPositionedRun(SKPaint font, ushort[] glyphs, SKPoint[] positions, string text, uint[] clusters, SKRect bounds)
{
var utf8Text = StringUtilities.GetEncodedText(text, SKTextEncoding.Utf8);
AddPositionedRun(font, glyphs, positions, utf8Text, clusters, (SKRect?)bounds);
}
// AddHorizontalRun
public void AddHorizontalRun(SKPaint font, float y, ushort[] glyphs, float[] positions, string text, uint[] clusters)
{
var utf8Text = StringUtilities.GetEncodedText(text, SKTextEncoding.Utf8);
AddHorizontalRun(font, y, glyphs, positions, utf8Text, clusters, null);
}
public SKString(string str)
: this(StringUtilities.GetEncodedText(str, SKTextEncoding.Utf8))
{
}
public void AddHorizontalRun(SKPaint font, float y, ushort[] glyphs, float[] positions, string text, uint[] clusters, SKRect bounds)
{
var utf8Text = StringUtilities.GetEncodedText(text, SKEncoding.Utf8);
AddHorizontalRunInternal(font, y, glyphs, positions, utf8Text, clusters, bounds, true);
}